Patents for G05D 16 - Control of fluid pressure (11,321)
02/1980
02/26/1980US4190076 Damping valve for pressure regulator
02/26/1980CA1072656A1 Installation for controlling pressure of gas under shaft top in super-capacity blast furnace
02/20/1980EP0008025A1 Control device for the flow of a gaseous medium in a conduit
02/12/1980US4187873 Pressure regulators
02/05/1980US4186767 Bleed valve particularly for a multi-stage compressor
01/1980
01/29/1980US4185772 Condition response differential vacuum regulator and method of making the same
01/23/1980EP0007117A1 Reducing valve
01/09/1980EP0006303A1 Safety shut-off valve
01/08/1980US4182488 Pressure regulator
01/08/1980US4182486 Fluidic flow sensing and control apparatus
01/08/1980US4182368 Pressure regulator
01/08/1980US4182365 Control valve for use with variable displacement piston pump
01/01/1980US4181254 Pneumatically and temperature controlled valve construction
01/01/1980US4181139 Multiple function CO2 valve
12/1979
12/25/1979US4180249 Installation for controlling pressure of gas under shaft top in super-capacity blast furnace
12/25/1979US4179887 Hydraulic control with delay
12/18/1979US4179097 Safety shut-off valve
12/11/1979US4178137 Pressure regulator for a fluid pump
12/04/1979US4176677 Relay pilot regulator
11/1979
11/27/1979US4175791 Hydraulic brake pressure control apparatus for motor vehicles
11/27/1979US4175585 Pressure regulator with minimum dead volume
11/13/1979US4173986 Pressurized gas flow control valve and assembly thereof with reducer regulator
11/06/1979US4173434 Pressure regulator for a fluid pump
10/1979
10/30/1979US4172619 Follow-up hand control valve for use with hydraulic spring brakes
10/30/1979US4172559 Spring-loaded constant pressure nozzle with secondary modulating means
10/30/1979US4172467 Respirator valve for respirators
10/16/1979US4171004 Safety regulator for fluid pressure
09/1979
09/25/1979US4168721 Pressure control valve
09/19/1979EP0004056A1 Pressure-regulated water supply installation
09/04/1979US4166762 Control apparatus with frequency-dependent control elements and application of the control apparatus to regulating the steam pressure of boiling water reactors
09/04/1979US4166476 Vacuum cut-off valve
08/1979
08/28/1979US4165951 Water pressure booster system and control valve therefor
08/21/1979US4164954 Fluid pressure control mechanism
08/21/1979CA1060755A1 Pilot valve
08/14/1979US4164768 Dual stage flow controller for self-ventilating disk pack
08/14/1979US4164342 Variable differential pressure unloading valve apparatus
07/1979
07/31/1979CA1059403A1 Fluid flow control valve
07/24/1979CA1059103A1 Electrically responsive static-pressure regulating valve
07/17/1979US4161189 Control valve
06/1979
06/26/1979CA1057158A1 Automatic reset pilot valve
06/19/1979US4158437 Thermostatic expansion valve for refrigeration plants
06/19/1979CA1056695A1 Electro-proportional pressure control apparatus
05/1979
05/08/1979CA1054061A1 Digital flow pressure regulator
04/1979
04/17/1979US4149559 Pressure regulator
04/17/1979CA1052833A1 Sealing device for the emergent shaft end of a rotating machine
04/03/1979US4147179 Pressure governor valve equipped with flow control valve
03/1979
03/13/1979US4143673 Pressure regulator
03/06/1979US4142550 Pressure regulating valve
02/1979
02/20/1979US4140436 Pressure control device for fluid systems
02/06/1979US4138210 Controlling the pressure of a gas generator
02/06/1979US4138087 Axial flow throttling valve
01/1979
01/23/1979US4135860 Method and device for controlling the pressure of a working medium delivered by a compressor
01/23/1979US4135697 Low pressure pilot valve
01/16/1979US4134418 Manual fluid pressure controller
01/16/1979US4134293 Pressure differential indicating apparatus for a hydraulic measuring bridge and its associated measuring piston
01/10/1979EP0000312A1 Device to afford respiration and protection against acceleration in combat aircraft
01/09/1979US4133343 Valve assembly for a brake system
01/09/1979CA1045883A1 Fluidic flow sensing and control apparatus
12/1978
12/26/1978US4131129 Device for controlling gas flow into vessels
12/26/1978US4131125 Charging valve for a fluid pressure accumulator
12/19/1978US4130266 Pressure control valve
12/19/1978US4130114 Fluid pressure measuring or testing system and bleed regulator valve therefor
12/12/1978CA1044130A1 Slow-opening gas valve
12/12/1978CA1043976A1 Zone regulation of casing inflation gas
11/1978
11/21/1978US4126161 Tire inflation device
11/21/1978US4126152 Pressure reproducing relay
11/21/1978CA1042743A1 Fuel regulator for an internal combustion engine
11/07/1978CA1041869A1 Gas pressure regulator
11/07/1978CA1041868A1 Pressure reducing valve
10/1978
10/24/1978US4122337 Pressure-electrical signal conversion means
10/17/1978CA1040507A1 Pilot regulator
10/10/1978US4119294 Pressure-regulating valve
10/03/1978US4117706 Remotely adjustable hydraulic pressure regulator
09/1978
09/26/1978US4116215 Automatic reset pilot valve
09/26/1978CA1039145A1 Valve assembly having leak detection apparatus
09/19/1978US4114637 Variable differential pressure unloading valve apparatus
09/12/1978US4113317 Brake pressure reducing control valve
09/12/1978US4113175 Ventilation system for poultry or livestock house
09/12/1978US4112704 Pilot valve-type evaporating pressure-regulating valve used in refrigerators
09/12/1978CA1038259A1 Diaphragm actuated valves
09/05/1978US4111222 Adjustment limiter in a compressed gas pressure regulator
08/1978
08/29/1978US4109623 Regulator for auxiliary air injection at the intake of internal combustion engines
08/29/1978CA1037344A1 Gas pressure regulator having high and low pressure shutoff means
08/22/1978US4108197 Condition response differential vacuum regulator and method of making the same
08/22/1978US4108134 Modulator valve
08/15/1978US4107039 Dialysate preparation system
08/15/1978CA1036458A1 Automatic closure valve for water sprinkler
07/1978
07/18/1978US4100933 Fire protection water supply valve
07/04/1978US4098247 Minute pressure control system
06/1978
06/27/1978US4096881 Nuclear-reactor steam-generator shut-off valve
06/13/1978US4094384 Bayonet connecting system for collector bowl attachment to connecting housing of compressed air conditioning device
06/13/1978US4094337 Pressure regulator valve
06/13/1978US4094333 Regulating valve system
06/13/1978US4094314 Pressure regulator for breathing apparatus
06/06/1978US4092998 Automatic pressure regulator
05/1978
05/16/1978US4089344 Two-way pressure-control valve
05/16/1978US4089173 Supercharged internal combustion engines
05/09/1978US4089007 Digital flow pressure regulator
05/02/1978US4087231 Slow-opening gas valve
05/02/1978US4087097 Sealing device for the emergent shaft end of a rotating machine